CN107310276B - Thermal printer - Google Patents
Thermal printer Download PDFInfo
- Publication number
- CN107310276B CN107310276B CN201710535432.6A CN201710535432A CN107310276B CN 107310276 B CN107310276 B CN 107310276B CN 201710535432 A CN201710535432 A CN 201710535432A CN 107310276 B CN107310276 B CN 107310276B
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- China
- Prior art keywords
- shaft
- pedestal
- mentioned
- rubber roller
- mounting rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
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- Handling Of Sheets (AREA)
Abstract
A kind of thermal printer, motor including pedestal and on pedestal, driving gear component, print head and rubber roller, rubber roller above-mentioned is set on a mounting rack with being able to rotate by a rubber roller, the mounting rack is set on pedestal above-mentioned by a dismountable type structure, it is characterized in that the dismountable type structure includes shaft, first rotating shaft, second shaft, spanner and return unit, it forces under pulling part state, first clamping part and the second clamping part above-mentioned are detached from, simultaneously, second gear teeth drive first gear teeth, the rotation of first wraping plate part, to make the second shaft rotate, and then the second wraping plate part rotation, first wraping plate part and the second wraping plate part drive shaft simultaneously, shaft is forced to be detached from groove.Overall structure is simple, easy to operate.
Description
Technical field
The present invention relates to a kind of thermal printers.
Background technique
Existing thermal printer generally comprises pedestal, motor, driving gear component, print head assembly and sets with being able to rotate
In the rubber roller on pedestal, the power intake of driving gear component is engaged with the active output gear of motor, power output end with
Rubber-covered roll gear set on rubber roller end engages, rubber roller have for driving printing paper mobile, between rubber roller and print head assembly into
Paper channel, print head assembly generally include print head (abbreviation TPH, Thermal Print Head), printing head support part, pressure spring again
And pressure spring support frame, print head are set on printing head support part, pressure spring support frame both ends are set to the both ends of pedestal, pressure spring both ends difference
It offsets with printing head support part and pressure spring support frame, printing paper can be pressed in roll surfaces by such print head.It is filled in printing paper
It is general to be realized by disassembly rubber roller when entering or correcting processing, and rubber roller both ends are typically provided two bearings, have on pedestal for axis
The groove of setting is held, groove is semi-circular shape, and working condition lower bearing is always positioned in groove；When needing paper, can easily by
Rubber roller connection bearing is easily disengaged out of groove.But exist following insufficient: bearing play amplitude in groove is larger, influences rubber roller
Normal operation.
For this purpose, disclosing a kind of improved structure in the prior art, referenced patent number is in ZL200520130017.5
State's utility model patent " miniature heating agent printer engine " (Authorization Notice No. CN2725292Y) is additionally arranged enabling in the patent
Tabletting and return elastic slice act on enabling tabletting by the pressure of return elastic slice, to guarantee that rubber roller is stably positioned in locating slot
It is interior, when upper paper, as long as the pulling part of operation enabling tabletting, overcome the pressure of return elastic slice, rubber roller just disengaging locating slot naturally.Behaviour
To make simply, also, positions and prepare, operation is smooth, but the structure overall structure is complex, and enabling tabletting is unconventional component,
It improves technology difficulty and increases manufacturing cost.
On this basis, applicant has developed a kind of novel rubber roller detachable structure, see Patent No.
" pedestal has the temperature-sensitive of the assembling structure with rubber roller assembling structure and application to the Chinese utility model patent of ZL201120357824.6
Printer " (Authorization Notice No. CN202271666U), the bearing in the patent is set to pedestal by the circlip of a special shape
Groove in so that the assembly unloading of rubber roller be easy it is quick, meanwhile, in use process, the effect bearing by elastic spacing portion is several
Play will not occur, guarantee the normal table running of rubber roller.
Summary of the invention
It is convenient for disassembly and assembly fast the technical problem to be solved by the present invention is to provide a kind of rubber roller for the above-mentioned state of the art
Prompt thermal printer.
The technical scheme of the invention to solve the technical problem is: a kind of thermal printer, including pedestal and set
In motor, driving gear component, print head and rubber roller on pedestal, the power intake of aforementioned drive gear component and motor
The engagement of active output gear, power output end are engaged with the rubber-covered roll gear for being set to rubber roller end, and print head above-mentioned is set to pedestal
On, rubber roller above-mentioned is set on a mounting rack with being able to rotate by a rubber roller, which is set to by a dismountable type structure
On pedestal above-mentioned, it is characterised in that the dismountable type structure includes
Shaft is flexibly set on mounting rack above-mentioned simultaneously parallel rubber roller above-mentioned；
First rotating shaft, parallel rubber roller above-mentioned are set on mounting rack above-mentioned with being able to rotate, and one end is equipped with first and swings
Part, the first swing component front end have the first clamping part；
Second shaft, the length direction of parallel print head are set on aforementioned pedestal with being able to rotate；Both ends are respectively equipped with can be with
The the first wraping plate part and the second wraping plate part that second shaft rotates together, the first wraping plate part side above-mentioned form first gear teeth；
Spanner is set on aforementioned pedestal with being able to rotate, and one end forms the second wheel with the transmission of aforementioned first gear teeth meshing
Tooth forms the second clamping part being engaged by clamping with aforementioned first clamping part, the protruding formation of the other end close to second gear teeth
Pulling part；And
Return unit forces the second shaft to keep original state on pedestal above-mentioned and always；
The two sides of the pedestal are respectively provided with the groove for shaft setting, the first wraping plate part above-mentioned and the second wraping plate part point
Not close to groove arrangement above-mentioned；
Aforementioned mounting rack is set in the state of pedestal, and the rubber roller is set in groove close to print head, the shaft,
First clamping part and the second clamping part above-mentioned are engaged by clamping；It forces under pulling part state, the first clamping part above-mentioned and
Two clamping parts are detached from, meanwhile, second gear teeth drive first gear teeth, the first wraping plate part rotation, to make the second shaft rotate, in turn
The rotation of second wraping plate part, the first wraping plate part and the second wraping plate part drive shaft simultaneously, and shaft is forced to be detached from groove.
The shaft and first rotating shaft is respectively arranged on the two sides up and down of rubber roller.Integral layout is reasonable, stress equalization.
The two sides of the mounting rack, which are formed, moves back and forth strip-shaped hole for shaft both ends, and the shaft is equipped with one and leads
To plate, a spring leaf is equipped between mounting rack on the inside of the guide plate, which forces guide plate to remain out movement always
Trend.Guide plate can be used to sheet feeder guide, while play the role of installing shaft.
The guiding board ends are respectively provided with connecting plate, which is rotatablely connected with rubber roller, accordingly, described
Strip-shaped hole is in arc-shaped.Guide plate can be rotated centered on rubber roller in this way, and rotation amplitude is well controlled.
Preferably, the return unit is a torsional spring, it is set on the pillar of pedestal in the middle part of the torsional spring, in one end and pedestal
Side wall offsets, and the other end offsets with the second wraping plate part.
Further, the other end of the first rotating shaft is equipped with the second swing component, and the mounting rack is equipped with for limiting the
One swing component and the second swing component continue the limit plate swung.
To enable printing paper is smooth to pass through, the pedestal is located at print head lower end and forms guide part, the pedestal with
After mounting rack assembly, the gap passed through for printing paper is formed between guide part and guide plate above-mentioned.
The mounting rack is equipped with the metal frame for increasing intensity.
Compared with the prior art, the advantages of the present invention are as follows: when printing paper is packed into or needs to correct processing, only need to gently it pull
Wrench, mounting rack are just flicked with pedestal, and after being disposed, shaft respective slot is caught in, and by the first clamping part and second
Clamping part clamping, i.e. assembly finish, and overall structure is simple, easy to operate.
Detailed description of the invention
Fig. 1 is example structure schematic diagram.
Fig. 2 is another viewing angle constructions schematic diagram of embodiment.
Fig. 3 is the exploded view of Fig. 1.
Fig. 4 is the exploded view of Fig. 2.
Fig. 5 is the exploded view of mounting rack, guide plate and first rotating shaft in Fig. 4.
Fig. 6 is the exploded view of bracket, the second shaft and spanner in Fig. 3.
Fig. 7 is another visual angle enlarged drawing of spanner in Fig. 6.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Fig. 1~Fig. 6, the thermal printer in the present embodiment includes pedestal 5 and the motor 8 on pedestal 5, biography
Movable tooth wheel assembly 81, print head 10 and rubber roller 2, the power intake of driving gear component 81 and the active output gear of motor 8
Engagement, power output end are engaged with the rubber-covered roll gear 22 for being set to 2 end of rubber roller, and print head 10 is set on pedestal 5, and rubber roller 2 passes through
One rubber roller 21 is set on mounting rack 1 with being able to rotate, which is set on pedestal 5 by dismountable type structure.
Dismountable type structure includes shaft 31, first rotating shaft 4, the second shaft 6, spanner 7 and return unit 9, and shaft 31 is flexibly
On mounting rack 1 and parallel rubber roller 21.
The parallel rubber roller 21 of first rotating shaft 4 is set on mounting rack 1 with being able to rotate, and one end is equipped with the first swing component 41, this
One swing component, 41 front end has the first clamping part 411；The other end is equipped with the second swing component 42, and mounting rack 1 is equipped with for limiting
First swing component 41 and the second swing component 42 continue the limit plate 12 swung.Shaft 31 and first rotating shaft 4 are respectively arranged on rubber roller 2
Upper and lower two sides.
The length direction of the parallel print head 10 of second shaft 6 is set on pedestal 5 with being able to rotate；Both ends are respectively equipped with can be with
The the first wraping plate part 61 and the second wraping plate part 62 that two shafts 6 rotate together, 61 side of the first wraping plate part forms first gear teeth 63.
As shown in connection with fig. 7, spanner 7 is set on pedestal 5 with being able to rotate, and one end forms and first gear teeth, 63 engaged transmission
Second gear teeth 71, close to second gear teeth 71 form with the first clamping part 411 be engaged by clamping the second clamping part 72, the other end to
Outer stretching forms pulling part 73.
Return unit 9 is set on pedestal 5 and the second shaft 6 is forced to keep original state always；Return unit 9 in the present embodiment
For a torsional spring, torsional spring middle part is set on the pillar of pedestal 5, and one end offsets with 5 inner sidewall of pedestal, the other end and the second wraping plate part
62 offset.
The two sides of pedestal 5 are respectively provided with the groove 54 being arranged for shaft 31, and the first wraping plate part 61 and the second wraping plate part 62 divide
It is not arranged close to groove 54.
Pedestal 5 is located at 10 lower end of print head and forms guide part 101, after pedestal 5 and mounting rack 1 assemble, guide part 101 with
The gap passed through for printing paper is formed between guide plate 3
The two sides of mounting rack 1, which are formed, moves back and forth strip-shaped hole 11 for 31 both ends of shaft, and shaft 31 is equipped with guide plate 3,
It is equipped with spring leaf 33 between 3 inside of guide plate and mounting rack 1, it is mobile which forces guide plate 3 to remain out always
Trend.Specifically, 3 both ends of guide plate are respectively provided with connecting plate, which is rotatablely connected with rubber roller 21, corresponding, item
Shape hole 11 is in arc-shaped.3 coiling rubber roller 21 of guide plate in this way is able to rotate along strip-shaped hole 11.
To improve integral strength, it is equipped with metal frame 14 on the outside of mounting rack 1, is equipped with metal plate 51 on the outside of pedestal 5,5 liang of pedestal
Side is packaged by metal cover board 52 and metal cover board 53.
Mounting rack 1 is set in the state of pedestal 5, and rubber roller 2 is set in groove 54 close to print head 10, shaft 31, the first card
Buckle 411 and the second clamping part 72 are engaged by clamping.
It when printing paper is packed into or needs to correct processing, forces under 73 state of pulling part, the first clamping part 411 and the second card
Buckle 72 is detached from, meanwhile, second gear teeth 71 drive first gear teeth 63, the first wraping plate part 61 rotation, to make 6 turns of the second shaft
It is dynamic, and then the second wraping plate part 62 rotates, such first wraping plate part 61 and the second wraping plate part 62 drive shaft 31 simultaneously, force shaft
31 are detached from groove 54.Mounting rack 1 and pedestal 5 are detached from, and can assemble and disassemble printing paper.After being disposed, by 31 respective slot 54 of shaft
It is caught in, and the first clamping part 411 and the second clamping part 72 is clamped, is i.e. assembly finishes, and overall structure is simple, easy to operate fast
It is prompt.
Claims (8)
1. a kind of thermal printer, motor, driving gear component, print head and rubber roller including pedestal and on pedestal are preceding
The power intake for stating driving gear component engages with the active output gear of motor, power output end be set to rubber roller end
Rubber-covered roll gear engagement, print head above-mentioned are set on pedestal, and rubber roller above-mentioned is set to an installation by a rubber roller with being able to rotate
On frame, which is set on pedestal above-mentioned by a dismountable type structure, it is characterised in that the dismountable type structure includes
Shaft is flexibly set on mounting rack above-mentioned simultaneously parallel rubber roller above-mentioned；
First rotating shaft, parallel rubber roller above-mentioned are set on mounting rack above-mentioned with being able to rotate, and one end is equipped with the first swing component, should
First swing component front end has the first clamping part；
Second shaft, the length direction of parallel print head are set on aforementioned pedestal with being able to rotate；Both ends are respectively equipped with can be with second
The the first wraping plate part and the second wraping plate part that shaft rotates together, the first wraping plate part side above-mentioned form first gear teeth；
Spanner is set on aforementioned pedestal with being able to rotate, and one end forms second gear teeth with the transmission of aforementioned first gear teeth meshing, is leaned on
Nearly second gear teeth form the second clamping part being engaged by clamping with aforementioned first clamping part, and the protruding formation of the other end is pulled
Portion；And
Return unit forces the second shaft to keep original state on pedestal above-mentioned and always；
The two sides of the pedestal are respectively provided with the groove for shaft setting, and the first wraping plate part above-mentioned and the second wraping plate part lean on respectively
Nearly groove arrangement above-mentioned；
Aforementioned mounting rack is set in the state of pedestal, and close to print head, the shaft is set in groove the rubber roller, aforementioned
The first clamping part and the second clamping part be engaged by clamping；It forces under pulling part state, the first clamping part above-mentioned and the second card
Buckle is detached from, meanwhile, second gear teeth drive first gear teeth, the first wraping plate part rotation, to make the second shaft rotate, and then second
The rotation of wraping plate part, the first wraping plate part and the second wraping plate part drive shaft simultaneously, and shaft is forced to be detached from groove.
2. thermal printer according to claim 1, it is characterised in that the shaft and first rotating shaft is respectively arranged on glue
The two sides up and down of roller.
3. thermal printer according to claim 1, it is characterised in that the two sides of the mounting rack are formed for shaft
Both ends move back and forth strip-shaped hole, and the shaft is equipped with a guide plate, is equipped with a bullet between mounting rack on the inside of the guide plate
Reed, the spring leaf force guide plate to remain out mobile trend always.
4. thermal printer according to claim 3, it is characterised in that the guiding board ends are respectively provided with connecting plate, should
Connecting plate is rotatablely connected with rubber roller, and accordingly, the strip-shaped hole is in arc-shaped.
5. thermal printer according to claim 1, it is characterised in that the return unit is a torsional spring, torsional spring middle part
On the pillar of pedestal, one end offsets with pedestal inner sidewall, and the other end offsets with the second wraping plate part.
6. thermal printer according to claim 1, it is characterised in that the other end of the first rotating shaft is equipped with the second pendulum
Moving part, the mounting rack, which is equipped with, continues the limit plate swung for limiting the first swing component and the second swing component.
7. thermal printer according to claim 1, it is characterised in that the pedestal is located at print head lower end and forms
After guide part, the pedestal and mounting rack assembly, the gap passed through for printing paper is formed between guide part and guide plate above-mentioned.
8. thermal printer according to claim 1, it is characterised in that the mounting rack is equipped with for increasing intensity
Metal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535432.6A CN107310276B (en) | 2017-07-04 | 2017-07-04 | Thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710535432.6A CN107310276B (en) | 2017-07-04 | 2017-07-04 | Thermal printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107310276A CN107310276A (en) | 2017-11-03 |
| CN107310276B true CN107310276B (en) | 2019-01-11 |
Family
ID=60180632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710535432.6A Active CN107310276B (en) | 2017-07-04 | 2017-07-04 | Thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107310276B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108556489B (en) * | 2018-03-01 | 2023-08-15 | 宁波精芯科技有限公司 | Thermal printer core |
| CN110561918A (en) * | 2019-08-13 | 2019-12-13 | 宁波精芯科技有限公司 | Thermal printer |
| CN112477439B (en) * | 2020-11-24 | 2021-10-29 | 宁波精芯科技有限公司 | Thermal printer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825292Y (en) * | 2005-11-01 | 2006-10-11 | 北京思普瑞特科技发展有限公司 | Minsized thermal printer movement |
| CN201889965U (en) * | 2010-11-11 | 2011-07-06 | 宁波精芯科技有限公司 | Rubber roller component mounting structure and thermo-sensitive printer with same |
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
| CN202293697U (en) * | 2011-10-17 | 2012-07-04 | 珠海赛达精密电子技术有限公司 | Bill printer core |
| CN104309310A (en) * | 2014-10-31 | 2015-01-28 | 宁波精芯科技有限公司 | Thermal printer |
| CN104309311A (en) * | 2014-10-31 | 2015-01-28 | 宁波精芯科技有限公司 | Note thermal printer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6533433B2 (en) * | 2015-08-07 | 2019-06-19 | セイコーインスツル株式会社 | Printing unit and thermal printer |
-
2017
- 2017-07-04 CN CN201710535432.6A patent/CN107310276B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2825292Y (en) * | 2005-11-01 | 2006-10-11 | 北京思普瑞特科技发展有限公司 | Minsized thermal printer movement |
| CN201889965U (en) * | 2010-11-11 | 2011-07-06 | 宁波精芯科技有限公司 | Rubber roller component mounting structure and thermo-sensitive printer with same |
| CN202271666U (en) * | 2011-09-23 | 2012-06-13 | 宁波精芯科技有限公司 | Rack and rubber roll assembling structure and thermosensitive printer applying assembling structure |
| CN202293697U (en) * | 2011-10-17 | 2012-07-04 | 珠海赛达精密电子技术有限公司 | Bill printer core |
| CN104309310A (en) * | 2014-10-31 | 2015-01-28 | 宁波精芯科技有限公司 | Thermal printer |
| CN104309311A (en) * | 2014-10-31 | 2015-01-28 | 宁波精芯科技有限公司 | Note thermal printer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107310276A (en) | 2017-11-03 |
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